Theoretical RTP
96.30%
Volatility
HighMax Win
2,070x
Release Date
2016
Vikings Go Berzerk runs at 96.30% at every UK casino. Yggdrasil uses fixed RTP deployment — operators cannot select reduced configurations. No verification needed.
What does fixed RTP mean?Verified deployment data coming soon. Check available titles:
Live RTP by Casino
See how this slot's RTP varies across different casinos
| Casino | RTP Setting | Difference | Status |
|---|---|---|---|
| Zizobet | 96.10% | 0.00% | Standard |
| Cosmobet | 96.10% | 0.00% | Standard |
| Velobet | 96.10% | 0.00% | Standard |
| Rolletto | 96.10% | 0.00% | Standard |
| Aphrodite Casino | 96.10% | 0.00% | Standard |
| Mad Casino | 94.10% | -2.00% | Below average |
| Dracula Casino | 94.10% | -2.00% | Below average |
| Gambiva | 95.10% | -1.00% | Reduced |
| Kingdom Casino | 95.10% | -1.00% | Reduced |
| Wino Casino | 94.10% | -2.00% | Below average |
| Lizaro | 94.10% | -2.00% | Below average |
| Sankra | 95.10% | -1.00% | Reduced |
RTP Tracking Coming Soon
RTP Tracking Coming Soon
Live deployed RTP tracking launches in Q2 2026. Subscribe to alerts to be notified when tracking goes live for this slot.
About Vikings Go Berzerk
Vikings Go Berzerk is Yggdrasil's Norse-themed slot — a 5x4, 25-payline game with a rage mechanic where Viking characters accumulate rage across spins and go "berzerk" (becoming sticky wilds) during free spins. The Ragnarok Free Spins feature triggers when all Vikings are fully raged, creating the game's peak payout potential.
Theoretical RTP is 96.10%, subject to Yggdrasil's variable tier system (typically 2-4 tiers with moderate spread). The game's medium-high volatility is driven by the progressive rage accumulation — sessions build toward the berzerk mechanic across many spins before the payoff lands.
Yggdrasil's visual production values are among the best in the industry, and Vikings Go Berzerk is a showcase title — cinematic animations, detailed character design, and a narrative arc that progresses across the session. The mechanical depth and visual quality justify the game's enduring UK popularity.
Key Features
Rage Meter Mechanic
Viking characters accumulate rage across spins. When fully raged, they go berzerk during free spins as sticky wilds.
Ragnarok Free Spins
Triggered when all Vikings are fully raged — the game's peak payout pathway with all characters operating as sticky wilds.
Treasure Chest Bonus
Free spins round with treasure chests that award additional spins, multipliers, or rage progression.
Sticky Wilds
Berzerk Vikings remain locked in position for the duration of free spins, compounding payouts as more wilds accumulate.
5x4 Grid, 25 Paylines
Standard Yggdrasil grid layout with cinematic Norse-themed presentation.
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RTP does not guarantee wins. Return to Player percentages reflect long-term mathematical averages across millions of spins. Individual sessions can and will produce results that differ significantly from theoretical RTP. Slot outcomes are determined by certified random number generators. Play responsibly.